A variational principle and finite element formulation for multi-physics PLZT ceramics

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Journal Article
Mechanics Research Communications, 2011, 38 (3), pp. 198 - 202
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This research presents an extended variational principle and a finite element formulation for multi-physics analysis of PLZT (lanthanum zirconate titanate) ceramics by including the photovoltaic and optothermic effects. The photo-induced electrical and thermal, and mechanical fields, as well as the heat source effect due to light illumination are all considered in the formulation. A generalized variation approach for advanced multi-physics PLZT problems is developed and then the relevant finite element formulation is established. © 2011 Elsevier Ltd. All rights reserved.
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